Cost of Living Comparison Between Dublin and Portmarnock
For one person, living is cheaper in Portmarnock: $2,718 a month against $3,629 in Dublin, rent and utilities included – about $10,900 less a year. Rent and utilities account for most of the difference.
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Dublin Living Index175Cost of Living Index in DublinLearn more -
Portmarnock Living Index126Cost of Living Index in PortmarnockLearn more
How much you'll spend in Dublin and in Portmarnock
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Dublin and in Portmarnock actually costs, broken down by who's living it.
A single person spends $3,629 per month in Dublin vs $2,718 in Portmarnock, rent included.
- Dublin $3,629
- Portmarnock $2,718
A couple spends around $5,130 per month in Dublin vs $3,817 in Portmarnock, rent included.
- Dublin $5,130
- Portmarnock $3,817
A family of three spends $6,631 per month in Dublin vs $4,915 in Portmarnock, rent included.
- Dublin $6,631
- Portmarnock $4,915
Dublin costs about 34% more than Portmarnock, and outside of rent the biggest gap is in transport.
Both Dublin and Portmarnock sit above the global median – Dublin by 167%, Portmarnock by 100%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Dublin: October 24, 2026
Last update for Portmarnock: October 24, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A central one-bedroom costs $2,475 in Dublin versus $1,441 in Portmarnock. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
A mid-range dinner for two costs $102 in Dublin versus $101 in Portmarnock. Monthly groceries follow the same trend: $363 vs $336 – making Portmarnock the more affordable choice for daily food spending.
- Dublin Portmarnock 12 km
- Dublin
- Portmarnock
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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